TECHNICAL DATA 1 TEMPERATURE AND RELATIVE HUMIDITY SENSOR HTS2030SMD Meets RoHS regulations Based on a unique capacitive cell for humidity measurement and a Negative Temperature Coefficient (NTC) thermistor for temperature measurement, this dual purpose relative humidity / temperature miniaturized sensor is designed for high volume, cost sensitive applications with tight space constraints. It is useful in all applications where dew point, absolute humidity measurements or humidity compensation are required. MAIN FEATURES ● Miniature Surface mount SMD package. ● Lead free components. ● Full interchangeability with no calibration required in standard conditions. ● Instantaneous desaturation after long periods in saturation phase. ● Compatible with automatized assembly processes, including Pb free wave soldering and reflow processes (1) ● High reliability and long term stability. ● Patented solid polymer structure. ● Suitable for linear voltage or frequency output circuitry. ● Fast response time and very low temperature coefficient. ● Part may be washed with distilled water. ● Individual marking for compliance to stringent traceability requirements. (1) soldering temperature profiles available on request / contact us at application@humirel.com Operating Range MAXIMUM RATINGS 100 90 Ratings Symbol Value Unit 80 70 Operating Temperature Ta -60 to 140 °C 60 50 Storage Temperature Tstg -60 to 140 °C 40 Supply Voltage (Peak) Vs 10 Vac 30 20 Humidity Operating Range RH 0 to 100 % RH 10 0 -60 -40 -20 0 20 40 60 80 100 120 140 160 Temperature in °C CHARACTERISTICS Humidity sensor (Ta = 25°C, measurement frequency @ 10kHz unless otherwise noted) Characteristics Symbol Min. Typ. Max. Unit. Humidity measuring range RH 1 99 %RH Supply voltage Vs 10 V Nominal capacitance @ 55% RH* C 177 180 183 pF Temperature coefficient Tcc 0.01 pF/°C Averaged Sensitivity from 33% to 75% RH ∆C /% RH 0.31 pF/% RH Leakage current (Vcc = 5 Volts) I 1 nA Recovery time after 150 hours of condensation tr 10 s Humidity Hysteresis +/-1 %RH Long term stability τ +/-0.5 %RH/yr Time constant (33 to 80 % RH, still air @ 63%) ta 3 5 s Deviation to typical response curve (10% to 90%) RH) +/-2 %RH *tighter specification available on request HUMIREL HPC055 Rev0 June 2004 HTS2030SMD Relative Humidity in % RH TECHNICAL DATA 2 TYPICAL RESPONSE IN HUMIDITY • Polynomial response of HTS2030SMD: -8 3 -6 2 -3 C (pF)=C@55 %*( 3.903 10 *RH -8.294 10 *RH +2.188 10 *RH+0.898) Typical response look-up table (Polynomial Reference curve) “10kHz/1V” RH (%) 0 5 10 15 20 25 30 35 40 45 50 161.6 163.6 165.4 167.2 169.0 170.7 172.3 173.9 175.5 177.0 178.5 Cp (pF) RH (%) 55 60 65 70 75 80 85 90 95 100 Cp (pF) 180 181.4 182.9 184.3 185.7 187.2 188.6 190.1 191.6 193.1 195 190 185 180 175 170 165 160 0 1020 3040 50 60 7080 90 100 %RH • Reversed Polynomial response of HTS2030SMD: +3 3 +4 2 +4 +3 RH (%) = -3.4656 10 *X +1.0732 10 *X -1.0457 10 *X+3.2459 10 With X=C(read) / C@55%RH CHARACTERISTICS Temperature sensor Characteristics Symbol Min. Typ Max. Unit. Nominal resistance @ 25°C 10 kΩ Beta value : B25/100 B 3600 3730 3800 Temperature measuring range Ta -60 140 °C Nominal Resistance Toleranceat 25°C Rn 2 3 % B value tolerance B 3 % Response Time τ 10 s TYPICAL TEMPERATURE OUTPUT HUMIREL HPC055 Rev0 June 2004 HTS2030SMD Capacitance (pF) TECHNICAL DATA 3 Temperature look-up table Resistance Max. Max. Max. Max. Temp °C Temp °C Resistance (Ohm) Temp °C Resistance (Ohm) Temp °C Resistance (Ohm) (Ohm) deviation deviation deviation deviation -40 262960 -5 38279 30 8178 65 2304 35403 2756 296 171 -39 247217 -4 36455 31 7866 66 2229 32777 2568 294 168 -38 232539 -3 34731 32 7568 67 2158 30358 2393 292 165 -37 218845 -2 33100 33 7283 68 2089 28130 2230 290 161 -36 206064 -1 31557 34 7011 69 2022 26075 2078 287 158 -35 194110 0 30029 35 6734 70 1960 24178 1932 284 155 -34 182852 1 28627 36 6484 71 1898 22416 1799 281 152 -33 172332 2 27299 37 6244 72 1839 20791 1675 278 149 -32 162498 3 26042 38 6015 73 1782 19290 1560 275 146 -31 153299 17905 4 24852 1452 39 5796 271 74 1727 143 -30 144790 5 23773 40 5575 75 1673 16636 1355 267 140 -29 136664 6 22708 41 5373 76 1622 15444 1261 264 138 -28 129054 7 21698 42 5180 77 1573 14343 1174 260 135 -27 121925 8 20739 43 4995 78 1526 13325 1093 257 132 -26 115243 9 19829 44 4817 79 1480 12383 1017 253 130 -25 109030 10 18959 45 4636 80 1432 11516 946 248 127 -24 103115 11 18128 46 4473 81 1390 10705 879 245 124 -23 97565 12 17338 47 4316 82 1349 9953 817 241 122 -22 92354 13 16588 48 4166 83 1310 9257 759 237 119 -21 87460 14 15876 49 4021 84 1272 8612 705 233 117 -20 82923 8020 15 15207 654 50 3874 229 85 1235 115 78581 14569 3737 1199 -19 7463 16 607 51 225 86 112 -18 74497 17 13962 52 3606 87 1163 6947 563 221 110 -17 70655 18 13384 53 3481 88 1130 6468 522 217 108 -16 67039 19 12834 54 3360 89 1097 6023 484 213 106 -15 63591 20 12280 55 3237 90 1067 5606 447 208 104 -14 60381 21 11777 56 3126 91 1038 5222 413 204 102 -13 57356 22 11297 57 3019 92 1009 4865 382 200 100 -12 54503 23 10840 58 2917 93 982 4533 353 197 98 -11 51813 24 10404 59 2819 94 955 4225 325 193 96 -10 49204 25 10000 60 2720 95 927 3932 300 189 94 -9 46767 3662 26 9600 300 61 2629 185 96 901 92 -8 44467 27 9218 62 2542 97 877 3411 300 182 90 -7 42296 28 8853 63 2458 98 853 3177 299 178 89 -6 40247 29 8506 64 2378 99 830 2960 297 175 87 SUGGESTED FREQUENCY OUTPUT CIRCUITS Note: R22=499kΩ / R4=49.9kΩ / R1=1 kΩ / RV1=50 kΩ potentiometer / C1=10nF / C2=2.2nF / C3=100nF Typical response look-up table (Humidity output) RH (%) 0 5 10 15 20 25 30 35 40 45 50 Fout (Hz) 7155 7080 7010 6945 6880 6820 6760 6705 6650 RH (%) 55 60 65 70 75 80 85 90 95 100 Fout (Hz) 6600 6550 6500 6450 6400 6355 6305 6260 6210 HUMIREL HPC055 Rev0 June 2004 HTS2030SMD TECHNICAL DATA 4 QUALIFICATION PROCESS HTS2030SMD sensors have been qualified through a complete qualification process taking in account many of the requirements of the JEDEC standard including: • Solder heat and solderability including • High Temperature / Humidity Operating lead free process. Life - 93%RH / 60°C for 1000 hours • Pb free wave soldering and reflow • Low Humidity storage life - RH < soldering process(260°C) + DI water 10%/23°C - 1000 hours clean at 45°C • Resistance to immersion in water at • Mechanical shock JESD-22-B104-A ambient temperature and 80°C • Vibration - Variable frequency(20 to • High temperature storage 140°C for 168 2000Hz) JESD-22-B103-A hours. • Marking permanency • Resistance to many chemicals linked to home appliances/automotive or • ESD - Electrostatic Discharge –Air Gun consumer applications. +-15kV(IEC 1000) • Salt Atmosphere JESD22-A107-A • Temperature Cycling - 40°C / +125°C ENVIRONMENTAL AND RECYCLING HTS2030SMD sensors are lead free components and are compatible with Pb Free soldering processes.HTS2030SMD sensors are free from Cr (6+), Cd and Hg. SOLDERING INSTRUCTIONS See Application Note. To get it, please contact: application@humirel.com PACKAGE OUTLINE HTS2030SMD GULL WING (JLEAD option also available) Dimensions in millimeters FOOTPRINT ORDERING INFORMATION of HTS2030SMD: • HPP804B130: TUBE M.P.Q. OF 78 PIECES. • HPP804B131: TAPE AND REEL M.P.Q. OF 1500 PIECES. TEMPERATURE AND RELATIVE HUMIDITY SENSORS. The information in this sheet has been carefully reviewed and is believed to be accurate; however, no responsability is assumed for inaccuracies. Furthermore, this information does not convey to the purchaser of such devices any license under the patent rights to the manufacturer. Humirel reserves the right to make changes without further notice to any product herein. Humirel makes no warranty, representation or guarantee regarding the suitability of its product for any particular purpose, nor does Humirel assume any liability arising out of the application or use of any product or circuit and specifically disclaims any and all liability, including without limitation consequential or incidental damages. « Typical » parameters can and do vary in different applications. All operating parameters, including « Typical » must be validated for each customer applications by customer’s technical experts. Humirel does not convey any license under its patent rights nor the rights of others. Humirel products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other application intended to support or sustain life, or for any application in which the failure of the Humirel product could create a situation where personal injury or death may occur. Should buyer purchase or use Humirel products for any such unintended or unauthorized application, Buyer shall indemnify and hold Humirel and its officers, employees, subsidaries, affiliates and distributors harmless against all claims, costs, damages and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of presonal injury or death associated with such unintended or unauthorized use, even if such claim alleges that Humirel was negligent regarding the design or manufacture of the part.Humirel is a registred trade mark of Humirel. HUMIREL HPC055 Rev0 June 2004 HTS2030SMD